串口发送12864显示\1 .................\1.c .................\1.hex .................\1.lnp .................\1.LST .................\1.M51 .................\1.OBJ .................\1.Opt .................\1.plg .................\1.Uv2 .................\1_Opt.Bak .................\1_Uv2.Bak 串口发送12864显示